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首页> 外文期刊>Optical engineering >Determination of refractive index dispersion using fiber-optic low-coherence Fabry-Perot interferometer: implementation and validation
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Determination of refractive index dispersion using fiber-optic low-coherence Fabry-Perot interferometer: implementation and validation

机译：使用光纤低相干法布里-珀罗干涉仪测定折射率色散：实施和验证

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摘要

We present the implementation and validation of low-coherence Fabry-Perot interferometer for refractive index dispersion measurements of liquids. A measurement system has been created with the use of four superluminescent diodes with different optical parameters, a fiber-optic coupler and an optical spectrum analyzer. The Fabry-Perot interferometer cavity has been formed by the fiber-optic end and mirror surfaces mounted on a micromechanical stage. The positive result of the validation procedure has been determined through statistical analysis. All obtained results were 99.999% statistically significant and were characterized by a strong positive correlation (r ＞ 0.98). The accuracy of the measured result of implemented low-coherence Fabry-Perot interferometer sensor is from 83% to 94%, which proves that the sensor can be used in the measurement of refractive index dispersion of liquids.
机译：我们介绍了用于液体的折射率色散测量的低相干法布里-珀罗干涉仪的实现和验证。通过使用四个具有不同光学参数的超发光二极管，一个光纤耦合器和一个光谱分析仪，创建了一个测量系统。 Fabry-Perot干涉仪腔由安装在微机械平台上的光纤末端和镜面形成。验证程序的积极结果已经通过统计分析确定。所有获得的结果在统计学上均具有99.999％的显着性，并且具有很强的正相关性（r＞ 0.98）。实施的低相干法布里-珀罗干涉仪传感器的测量结果的准确性为83％至94％，证明该传感器可用于测量液体的折射率分散。

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